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echo: os2
to: Holger Granholm
from: John Thompson
date: 1999-10-07 09:16:00
subject: /DBUFF

In a message to Peter Knapper, Holger Granholm wrote re: /DBUFF

PK>I use an Adaptec 1542C controller on the BBS with 32Mb memory using
PK>the /DBUFF parameter to enable double buffering that is a work-around
PK>the 16Mb DMA limit with ISA bus cards. You need the AHA154x driver
PK>dated 12 Aug 1996 or later for this.
 
HG> THAT is one thing I have never tried on this machine that gets slower
HG> with 32 Mb than it's with 16 Mb. I'll try that next time I have reason
HG> to open it. I have an Adaptec 2842 controller in it.

Isn't the AHA-2842 a VLB card?  If so, it shouldn't suffer the 
bus-mastering issues that plague ISA cards, since the VLB bus is 
already a 32-bit bus.


 * KWQ/2 1.2i * Internet: John.Thompson@attglobal.net


--- PCBoard (R) v15.3/M 10
7102/1
* Origin: Spare Parts BBS - Appleton WI (920-731-7697) (1:139/0)

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